Home / 634,014.09-874,961.87-347,534.10

Finding the Fourth Proportional to 634,014.09, 874,961.87 and 347,534.10

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Solution

The fourth proportional to 634,014.09, 874,961.87 and 347,534.10 is: 479,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,014.09 : 874,961.87 = 347,534.10 : x
  2. Step 2: Convert to fraction form
    634,014.09/874,961.87 = 347,534.10/x
  3. Step 3: Cross multiply
    634,014.09x = 874,961.87 × 347,534.10
  4. Step 4: Simplify right side
    634,014.09x = 304,079,084,287.10
  5. Step 5: Solve for x
    x = 304,079,084,287.10/634,014.09
  6. Step 6: Final answer
    x = 479,609.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.